| Men ($ 9,554,920 grant): |
| Singles – Round 1: |
| Macháč (CZE) – Popyrin (Austr.) 6: 3, 7: 5 |
| Djere (Serbian) – Kwon Sun (Korea) 2: 6, 6: 3, 6: 4 |
| Musetti (It.) – Giron (USA) 6:3, 7:5 |
| Brooksby (USA) – Carballés (Šp.) 6: 1, 6: 4 |
| Davidovich (Sp.) – Coric (HRV) 6: 7 (5: 7), 6: 0, 7: 5 |
| Sock (USA) – J. M. Cerúndolo (Arg.) 6:1, 6:1 |
| Coria (Arg.) – Cuevas (Urug.) 6:4, 7:6 (7:5) |
| Wolf (USA) – Gaston, (Fr.) 7:5, 6:4 |
| Eubanks – Cressy (oba USA) 5:7, 7:6 (10:8), 6:4 |
| Kyrgios (Aust.) – Báez (Arg.), 6:4, 6:0 |
| Martínez (Šp.) – J. Sousa (Portug.) 6: 4, 7: 5 |
| Korda (USA) – Kokkinakis (Austr.) 6: 3, 6: 4. |
| Women ($ 8,369,455): |
| Singles – Round 1: |
| Bouzkova (CZE) – Chiang Wang (CHN) 6: 3, 7: 6 (7: 5) |
| Siniaková (CZE) – Beguová (ROU) 6: 2, 4: 6, 6: 4 |
| Kučová (SR) – Ruseová (ROU) 4: 6, 6: 4, 6: 1 |
| Kostukova (UKR) – Zanevska (Belg.) 6: 7 (5: 7), 7: 6 (8: 6), 7: 5 |
| Juvanová (Slovin.) – Dodinová (Fr.) 6: 3, 6: 3 |
| Osaka (JPN) – Stephens (USA) 3: 6, 6: 1, 6: 2 |
| Sharma (Austr.) – Linette (POL) 6: 4, 7: 6 (7: 1) |
| Sasnovičová (BEL) – Osoriová (COL) 6: 4, 5: 0 ret |
| Rogers (USA) – Parrizasova (Sp.) 6: 1, 5: 7, 7: 6 (7: 3) |
| Anisimova – Navarro (both USA) 6: 2, 6: 2 |
